Compare 1951 vs 1958
| Property | 1951 | 1958 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 19511 | 21 × 111 × 891 |
| Prime factorization | 1951 | 2 × 11 × 89 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1951 | 1, 2, 11, 22, 89, 178, 979, 1958 |
| Number of properties | 3 | 0 |
| Cuban primes 1 | 14th | |
| Primes | 297th | |
| Twin primes (2nd member) | 60th | |
| Roman numberals | MCMLI | MCMLVIII |
| Base 2 | 111100111112 | 111101001102 |
| Base 3 | 22000213 | 22001123 |
| Base 4 | 1321334 | 1322124 |
| Base 5 | 303015 | 303135 |
| Base 6 | 130116 | 130226 |
| Base 7 | 54557 | 54657 |
| Base 8 | 36378 | 36468 |
| Base 9 | 26079 | 26159 |
| Base 10 | 195110 | 195810 |
| Base 11 | 151411 | 152011 |
| Base 12 | 116712 | 117212 |
| Base 13 | b7113 | b7813 |
| Base 14 | 9d514 | 9dc14 |
| Base 15 | 8a115 | 8a815 |
| Base 16 | 79f16 | 7a616 |